public inbox for linux-tegra@vger.kernel.org
 help / color / mirror / Atom feed
From: Mark Brown <broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
To: Laxman Dewangan <ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: Laxman Dewangan
	<ldewangan.com-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
	"lrg-l0cyMroinI0@public.gmane.org"
	<lrg-l0cyMroinI0@public.gmane.org>,
	"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH] regulator: Rail is said to be enable only if this and supply rails are enabled.
Date: Thu, 5 Jan 2012 06:06:46 +0000	[thread overview]
Message-ID: <20120105060646.GG11867@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <96C9D994977DD0439FB6D3FE3B13DD907DBD3A9C2E-kdsAE/FnitNDw2glCA4ptUEOCMrvLtNR@public.gmane.org>

On Wed, Jan 04, 2012 at 11:49:14AM +0530, Laxman Dewangan wrote:

> > This feels wrong - the code in general assumes that the parents will all
> > be enabled for an enabled child (and does the required stuff on enable
> > and disable).  Doing the check isn't unreasonable but if it fails we
> > really ought to be complaining loudly as we're probably confused and
> > things might be going wrong elsewhere.

> returns true but actually the rail is not enabled because supply rail was not enabled.
> Although it is fixed in other patch but such checks help more.

You're not quite getting my point here - we should be treating this as
an error and complaining about it when we notice it, your patch will
silently mask the condition which seems likely to just cause the bug to
manifest elsewhere.

  parent reply	other threads:[~2012-01-05  6:06 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-03  6:09 [PATCH] regulator: Rail is said to be enable only if this and supply rails are enabled Laxman Dewangan
     [not found] ` <1325570983-3700-1-git-send-email-ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-01-03 20:16   ` Mark Brown
     [not found]     ` <20120103201624.GC2843-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
2012-01-04  6:19       ` Laxman Dewangan
     [not found]         ` <96C9D994977DD0439FB6D3FE3B13DD907DBD3A9C2E-kdsAE/FnitNDw2glCA4ptUEOCMrvLtNR@public.gmane.org>
2012-01-05  6:06           ` Mark Brown [this message]
     [not found]             ` <20120105060646.GG11867-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
2012-01-05 14:12               ` Laxman Dewangan

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20120105060646.GG11867@opensource.wolfsonmicro.com \
    --to=broonie-yzvpicuk2aatku/dhu1wvuem+bqzidxxqq4iyu8u01e@public.gmane.org \
    --cc=ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org \
    --cc=ldewangan.com-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org \
    --cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=lrg-l0cyMroinI0@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox